Prepare new releases (#259)

Added changelogs for new versions (#248)

* Added changelogs for new versions

* Added changelog for adapter-common

* Added more changelogs

Prepare for new releases

Prepare for stable releases (#147)

* Updated changelog

* Updated changelog

* Updated changelog

Speed up tests by removing code coverage and reduce number of runs on…

… travis (#84)

Merge pull request #1 from php-cache/analysis-zYjjGy

Applied fixes from StyleCI